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7854d05f 1/** @file\r
f22f941e 2 Defines the data structure that is the volume header found at the beginning of\r
7854d05f 3 all firmware volumes that are either memory mapped or have an\r
4 associated FirmwareVolumeBlock protocol.\r
5\r
1c2f052d 6Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
22a69a5e 7SPDX-License-Identifier: BSD-2-Clause-Patent\r
7854d05f 8\r
9 @par Revision Reference:\r
f22f941e 10 These definitions are from the Firmware Volume Block Spec 0.9.\r
7854d05f 11\r
12**/\r
13\r
14#ifndef __EFI_FIRMWARE_VOLUME_HEADER_H__\r
15#define __EFI_FIRMWARE_VOLUME_HEADER_H__\r
16\r
17///\r
f22f941e 18/// Firmware Volume Block Attributes bit definitions.\r
7854d05f 19///@{\r
20#define EFI_FVB_READ_DISABLED_CAP 0x00000001\r
21#define EFI_FVB_READ_ENABLED_CAP 0x00000002\r
22#define EFI_FVB_READ_STATUS 0x00000004\r
23\r
24#define EFI_FVB_WRITE_DISABLED_CAP 0x00000008\r
25#define EFI_FVB_WRITE_ENABLED_CAP 0x00000010\r
26#define EFI_FVB_WRITE_STATUS 0x00000020\r
27\r
28#define EFI_FVB_LOCK_CAP 0x00000040\r
29#define EFI_FVB_LOCK_STATUS 0x00000080\r
30\r
31#define EFI_FVB_STICKY_WRITE 0x00000200\r
32#define EFI_FVB_MEMORY_MAPPED 0x00000400\r
33#define EFI_FVB_ERASE_POLARITY 0x00000800\r
34\r
35#define EFI_FVB_ALIGNMENT_CAP 0x00008000\r
36#define EFI_FVB_ALIGNMENT_2 0x00010000\r
37#define EFI_FVB_ALIGNMENT_4 0x00020000\r
38#define EFI_FVB_ALIGNMENT_8 0x00040000\r
39#define EFI_FVB_ALIGNMENT_16 0x00080000\r
40#define EFI_FVB_ALIGNMENT_32 0x00100000\r
41#define EFI_FVB_ALIGNMENT_64 0x00200000\r
42#define EFI_FVB_ALIGNMENT_128 0x00400000\r
43#define EFI_FVB_ALIGNMENT_256 0x00800000\r
44#define EFI_FVB_ALIGNMENT_512 0x01000000\r
45#define EFI_FVB_ALIGNMENT_1K 0x02000000\r
46#define EFI_FVB_ALIGNMENT_2K 0x04000000\r
47#define EFI_FVB_ALIGNMENT_4K 0x08000000\r
48#define EFI_FVB_ALIGNMENT_8K 0x10000000\r
49#define EFI_FVB_ALIGNMENT_16K 0x20000000\r
50#define EFI_FVB_ALIGNMENT_32K 0x40000000\r
51#define EFI_FVB_ALIGNMENT_64K 0x80000000\r
52///@}\r
53\r
54/// This is a simple macro defined as the set of all FV Block Attributes signifying capabilities.\r
55#define EFI_FVB_CAPABILITIES ( EFI_FVB_READ_DISABLED_CAP | \\r
56 EFI_FVB_READ_ENABLED_CAP | \\r
57 EFI_FVB_WRITE_DISABLED_CAP | \\r
58 EFI_FVB_WRITE_ENABLED_CAP | \\r
59 EFI_FVB_LOCK_CAP \\r
60 )\r
61\r
f22f941e 62/** A parameterized macro defining a boolean expression that tests the state of a particular bit.\r
7854d05f 63 *\r
f22f941e 64 * @param FvbAttributes Indicates a test for CLEAR if EFI_FVB_ERASE_POLARITY is 1, else test for SET.\r
7854d05f 65 *\r
66 * @param TestAttributes The set of bits to test.\r
67 *\r
68 * @param Bit A value indicating the bit(s) to test.\r
69 * If multiple bits are set, the logical OR of their tests is the expression's value.\r
70**/\r
71#define EFI_TEST_FFS_ATTRIBUTES_BIT( FvbAttributes, TestAttributes, Bit) \\r
72 ((BOOLEAN) \\r
73 ((FvbAttributes & EFI_FVB_ERASE_POLARITY) ? (((~TestAttributes) & Bit) == Bit) : ((TestAttributes & Bit) == Bit)) \\r
74 )\r
75\r
f22f941e 76/// A simple macro defined as the set of all FV Block Attribute bits that indicate status.\r
7854d05f 77#define EFI_FVB_STATUS (EFI_FVB_READ_STATUS | EFI_FVB_WRITE_STATUS | EFI_FVB_LOCK_STATUS)\r
78\r
79#endif /* __EFI_FIRMWARE_VOLUME_HEADER_H__ */\r